FROM python:3.11-slim

# System deps for OpenCV (YOLO), image processing
RUN apt-get update && apt-get install -y --no-install-recommends \
    libgl1 \
    libglib2.0-0 \
    libsm6 \
    libxrender1 \
    libxext6 \
    git \
    && rm -rf /var/lib/apt/lists/*

# Create non-root user (Spaces requirement)
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

WORKDIR $HOME/app

# Install Python deps
COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
    pip install torch torchvision --index-url https://download.pytorch.org/whl/cpu && \
    pip install --no-cache-dir -r requirements.txt

# Copy project files
COPY --chown=user . .

# Ensure writable dirs exist
RUN mkdir -p archive_images archive_db

# Spaces expects port 7860
EXPOSE 7860

CMD ["python", "app.py"]